x=[1,2,3,4,5,6,4,7,8,4,5,9,4,8,9,1,5,1,4,5,6,1,2,5,1,6,3,6]
a=[]
for i in x:
    if i not in x:
        a.append(x)
if len(x)==len(a):
            print("没有重复数")
else:
            print("有重复数")
